Invincible™ Photochromic Sunglasses with Polarized Lens

Invincible™ Photochromic Sunglasses with Polarized Lens These are the last sunglasses that you will ever need.  Our Invincible™ sunglasses are one of a kind. Virtually Indestructible. Shatterproof lenses allow for these to be dropped, stepped on, kicked, hit with a hammer, you name it. Add to that a solid Aluminum Magnesium frame, metal adjustable reinforced hinges and you got yourself a pair of sunglasses that can withstand even the most intense activities. Comfort Like Never Before. Durable, Lightweight, Adjustable, Non-Slip. Invincible™ hugs your face just right no matter your face shape or head size. Ultimate 3 in 1 Eye Protection. Photochromic (Darkens When Exposed to UV Light). Adjusts light blockage to your environment. Lenses will darken when exposed to ultraviolet light (harmful to your eyes) to the correct intensity but not in artificial light (not harmful to your eyes). This allows them to be more clear during dimmer sunlight, and provides more blockage during intense su